The Astro Pneumatic 4" In-Line Cutoff Tool #AP-409 is a high-speed air tool designed for cutting through materials with precision and efficiency. With a maximum speed of 14,000, this tool is powerful and reliable for a variety of cutting tasks. Its compact design, measuring 4-1/2 inches in height and 4 inches in width, makes it easy to use in tight spaces. The brand Astro Pneumatic is known for producing quality air tools, making this cutoff tool a dependable option for DIY projects and professional use.